(1161) Thessalia Main-belt Asteroid
Discovered on 29 September 1929 by K. Reinmuth at Heidelberg.
Where Thessalia is today
Seen from above the solar system on 2026-10-14: Thessalia is 3.11 au from the Sun and 3.18 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 1161 |
| Provisional designation | 1929 SF |
| Orbit class | Main-belt Asteroid |
| Diameter | 21.5 km (#2,019 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0650 |
| Absolute magnitude (H) | 11.38 |
| Orbital period | 5.64 years |
| Semi-major axis | 3.17 au |
| Perihelion – aphelion | 2.89 – 3.45 au |
| Eccentricity | 0.0888 |
| Inclination | 9.40° |
| Closest distance between its orbit and Earth's (MOID) | 1.90 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
More named asteroids discovered by K. Reinmuth
- (796) Sarita
- (799) Gudula
- (864) Aase
- (909) Ulla
- (910) Anneliese
- (911) Agamemnon
- (913) Otila
- (918) Itha
- (920) Rogeria
- (921) Jovita
- (922) Schlutia
- (923) Herluga
← (1160) Illyria · (1162) Larissa →